28546664

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{1723}}^1$

素因数の和:1857

約数の個数: 32

約数和(自身を含む): 56892000

約数和(自身を除く): 28345336

約数列:

[1, 2, 4, 8, 19, 38, 76, 109, 152, 218, 436, 872, 1723, 2071, 3446, 4142, 6892, 8284, 13784, 16568, 32737, 65474, 130948, 187807, 261896, 375614, 751228, 1502456, 3568333, 7136666, 14273332, 28546664]

約数ペア:

[(1, 28546664), (2, 14273332), (4, 7136666), (8, 3568333), (19, 1502456), (38, 751228), (76, 375614), (109, 261896), (152, 187807), (218, 130948), (436, 65474), (872, 32737), (1723, 16568), (2071, 13784), (3446, 8284), (4142, 6892)]